Home / 66,284.33-91,471.41-36,069.30

Finding the Fourth Proportional to 66,284.33, 91,471.41 and 36,069.30

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Solution

The fourth proportional to 66,284.33, 91,471.41 and 36,069.30 is: 49,775.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,284.33 : 91,471.41 = 36,069.30 : x
  2. Step 2: Convert to fraction form
    66,284.33/91,471.41 = 36,069.30/x
  3. Step 3: Cross multiply
    66,284.33x = 91,471.41 × 36,069.30
  4. Step 4: Simplify right side
    66,284.33x = 3,299,309,728.71
  5. Step 5: Solve for x
    x = 3,299,309,728.71/66,284.33
  6. Step 6: Final answer
    x = 49,775.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.